[Event "USCF 1977 Absolute ch"] [Site "corr USA"] [Date "1977.??.??"] [White "Tennant, Steven Randall"] [Black "Jacobs, Robert Merton"] [Result "0-1"] [Variant "Standard"] [ECO "D16"] [Opening "Slav Defense: Steiner Variation"] [StudyName "Chess is in the Mail - April 2025"] [ChapterName "Game 2"] [ChapterURL "https://lichess.org/study/kN4f8zWU/aXqwzQEz"] [Annotator "https://lichess.org/@/jkfrench"] [Orientation "white"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. f3 e6 8. g4! (8. Nxc4?! Bb4) 8... Nd5 { D16: Slav Defence: 5 a4: Lines with 5...Bg4 and 5...Na6. } 9. e4 $146 { Predecessor: } (9. h4 f6 10. Nxc4 Bf7 11. e4 Nxc3 12. bxc3 Qc7 13. Kf2 Nd7 14. Be3 e5 15. Qd2 Rd8 16. Qe1 { 0-1 Pawlowski,W-Wuensche,K DVfV-ch23 Final blind Oberhof 1975 (7) }) 9... Qh4+ 10. Ke2 Nxc3+ { White is better. } 11. bxc3 f6 (11... Bg6 $16) 12. Nxc4 $18 Bf7 13. Bf4 h5 (13... e5 14. Bg3 Qh6 (14... Bxc4+? 15. Kf2 $18) 15. Kf2) (13... Be7 14. Qd2 O-O (14... e5? 15. Bg3 $18)) 14. Bg3 Qg5 15. Qb3 b6 { A sharp opening } 16. h4 Qg6 17. Nxb6 (17. g5) 17... e5 $16 (17... axb6? 18. Qxb6 Nd7 (18... e5 19. Qb7 $18) 19. Qxc6 $18) 18. d5? (18. Nc4 $16 { and life is bright. }) 18... axb6 $17 19. Qxb6 hxg4 (19... cxd5?! 20. Qb7 Bd6 21. Bf2 $15 (21. Qxa8 hxg4 22. Bf2 gxf3+ 23. Kd2 O-O $17)) 20. Qb7 gxf3+ (20... Bd6! $17 { aiming for ...gxf3+. } 21. Qc8+ (21. Qxa8 gxf3+ 22. Kxf3 f5 $17) 21... Ke7 22. Qxh8 cxd5) 21. Kxf3 { Hoping for d5xc6!. } 21... f5! 22. Qc8+ (22. Qxa8 Qg4+ 23. Kg2 Bd6 $17) 22... Ke7 23. Bh3 { Inhibits Qg6-g4+. } (23. Bxe5? fxe4+ 24. Kf2 Nd7 25. d6+ Ke6 26. Qxa8 Kxe5 $19 (26... Nxe5 27. Bh3+ Kd5 28. Rad1+ Nd3+ 29. Rxd3+ exd3 30. Qa5+ c5 31. Bg2+ $18)) (23. Qb7+ Kf6 24. d6 (24. Qxa8 Qg4+ 25. Ke3 Qxg3+ 26. Kd2 Qf4+ 27. Kd1 Qxe4 $19) 24... Qg4+ (24... fxe4+ 25. Kg2 $17) 25. Kf2 Bxd6 (25... Qxe4 26. Re1) (25... f4? 26. Rg1 $19) 26. Qxa8 Bc5+ (26... Qxe4? 27. Qa7 $19) (26... f4? 27. Rh3 $19) 27. Ke1 (27. Kg2 Qxe4+ 28. Kh2 Rxh4+ 29. Bxh4+ Qxh4+ 30. Bh3 Qf4+ 31. Kg2 Qf2#) 27... Qxg3+ 28. Kd2 Bb3 (28... fxe4? 29. Kc2 $19)) 23... cxd5 24. Bxf5 { This costs White the game. } (24. Qb7+ Nd7 25. exf5 (25. Qxa8? f4 $19)) 24... Qc6 $19 25. Qxc6 Nxc6 26. Rhb1 Be6 27. Rb7+ Kf6 28. Rb6 Rc8 29. Bxe6 Kxe6 30. Rd1 (30. exd5+ { might work better. } 30... Kxd5 31. a5) 30... dxe4+ 31. Kxe4 Bc5 32. Ra6 Be7 33. Rd5 Kf7 (33... Bxh4 34. Bxe5 Be7 35. Rb5 $19) 34. Kd3 Bxh4 { Black is clearly winning. } 35. Bxh4 Rxh4 36. Rd7+ Kg8 37. Rd6 e4+ 38. Kd2 Ne5 { Beautiful play by Jacobs! Weighted Error Value: White=0.51/Black=0.10 (very precise) Loses game: White=1 --- Mistake: White=3 Black=3 Inaccurate: White=3 --- OK: White=9 Black=15 Best: White=4 Black=3 } 0-1